The Leo Triplet Galaxies M65, M66 and NGC3628 - 31 million light years distant in the constellation Leo (naturally)
Messier 65 (NGC3623) at bottom right, is a spiral galaxy 8.7x2.2 arcminutes in size and has a visual magnitude of 9.3
Messier 66 (NGC3627) at top right, is a spiral galaxy 8.2x3.9 arcminutes in size and has a visual magnitude of 8.9
NGC3628, at left, is an edge-on sprial galaxy 14x4.0 arcminutes in size and has a visual magnitude of 9.5
There are MANY tiny background galaxies to see too.
Click on the image above to see it thrice as large.
Telescope: Astro-Physics AP155EDF w 4" FF
Camera: Moravian G4 (16803 chip) w 7-position filter wheel and Astrodon Gen II LRGB Filters
Mount: Paramount ME from Software Bisque
Luminance is 69 x 10 min
RGB are 25/24/18 x 10 min per channel
Acquisition in TSX
Bulk of processing PixInsight and some final clean-up in Photoshop CC 2020
Lucknow, Ontario, Canada